In 2014, Cisco stated that video made 64% of all internet traffic. In 2015, Searchmetrics was releasing a white paper quoting that 55% of all keyword searches in the U.S. return at least one video blended into Google’s web search results and that 8 out 10 of those videos belonged to YouTube. And in 2016, Cisco was also sharing that online videos will account for more than 80% of all consumer internet traffic by 2020.
Now, there's one more little group that might fall into direct traffic -- it's something you might have heard about as "Dark Social" if you've been staying up to date on, well, dark social as a referral source. Basically, dark social is what some people are calling the social site traffic that most analytics programs can't capture since it lacks referral data, but is coming from things like emails and instant messengers (which, technically, are social mechanisms). Often, this unidentifiable traffic -- anything without a referring URL -- is also bucketed into direct traffic. Now, as BuzzFeed so eloquently puts it, "all 'dark social' traffic is direct traffic, but not all direct traffic is dark social."
Beyond organic and direct traffic, you must understand the difference between all of your traffic sources and how traffic is classified. Most web analytics platforms, like Google Analytics, utilize an algorithm and flow chart based on the referring website or parameters set within the URL that determine the source of traffic. Here is a breakdown of all sources: